<template>
  <!-- 注册页面的整体盒子 -->
  <div class="reg-container">
    <!-- 注册的盒子 -->
    <div class="reg-box">
      <!-- 标题的盒子 -->
    <div class="title-box"></div>
      <!-- 注册的表单区域 -->
      <!-- ref获取dom元素,获取组件 -->
      <!-- model表单数据对象 -->
      <!-- rules定义表单数据,校验规则对象  里面属性需要和model表单数据对象里面的属性完全一样-->
      <!-- el-from-item内prop属性 属性值就是表单数据对象里面的属性值 -->
     <el-form :model="regForm" :rules="regRules" ref="regRef"  class="demo-regForm">
    <el-form-item  prop="username">
    <el-input v-model="regForm.username" placeholder="用户名" prefix-icon="el-icon-user"></el-input> 
   </el-form-item>

    <el-form-item  prop="password">
    <el-input v-model="regForm.password" type="password" placeholder="密码" prefix-icon="el-icon-lock"></el-input> 
   </el-form-item>

    <el-form-item  prop="repassword">
    <el-input v-model="regForm.repassword" type="repassword" placeholder="确认密码" prefix-icon="el-icon-lock" ></el-input> 
   </el-form-item>

    <el-form-item>
   <el-button type="primary" round class="btn-reg" @click="regUser">注册</el-button>
      <el-link type="primary" @click = "$router.push('/login')">去登录</el-link>
  </el-form-item>
     </el-form>
    </div>
  </div>
</template>

<script>
export default {
  name: 'Reg',
  data() {
  const checkReg  = (rule, value, callback) => {
        
        if (value !== this.regForm.password) {
          callback(new Error('两次输入密码不一致!'));
        } else {
          callback();
        }
      }
    return {
      regForm:{
       username:'',
       password:'',
       repassword:'',
      },
       regRules: {
         username: [
            { required: true, message: '请输入用户名', trigger: 'blur' },
            {patter:/^[a-zA-Z0-9]{1,10}$/,message:'用户名长度必须要以数字或字母组成1~10位',trigger: 'blur' }
         ],
          password: [
            { required: true, message: '请输入密码', trigger: 'blur' },
            { pattern: /^\S{6,15}$/, message: '密码必须是6-15的非空字符', trigger: 'blur' }
          ],
           repassword: [
            { required: true, message: '请确认密码', trigger: 'blur' },
           { pattern: /^\S{6,15}$/, message: '密码必须是6-15的非空字符', trigger: 'blur' },
            { validator: checkReg, trigger: 'blur' }
          ]
       }
    };
  },
  methods: {
    // 1.对表单数据进行兜底校验,获取表单对象 调用表单对象方法validate
    regUser(){
      this.$refs.regRef.validate(async valid => {
        // 2.校验失败
        if (!valid) return
        // 3.表示表单数据校验通过,发送axios请求给服务器
        const{data:res}= await this.$http({
          method:'post',
          url:'api/reg',
          data:{...this.regForm}
          })
          // 4.提示用户注册失败
          if(res.code !== 0) return this.$message.error(res.message)        
          //5.注册成功
          this.$message.success(res.message)  
          // 6.跳转到登录页面
          //this.$router 操作路由 push()
          //this.$route获取路由信息 获取query参数,获取pamars  
          this.$router.push('/login')                  
      })
    }
  }
  
}
</script>

<style lang="less" scoped>
.reg-container {
  background: url('../../assets/images/login_bg.jpg') center;
  background-size: cover;
  height: 100%;

  .reg-box {
    width: 400px;
    height: 335px;
    background-color: #fff;
    border-radius: 3px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    padding: 0 30px;
    box-sizing: border-box;

    .title-box {
      height: 60px;
      background: url('../../assets/images/login_title.png') center no-repeat;
    }

    .btn-reg {
      width: 100%;
    }
  }
}
</style>

